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Finding the Fourth Proportional to 6,462.40, 9,700.90 and 2,569.56

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Solution

The fourth proportional to 6,462.40, 9,700.90 and 2,569.56 is: 3,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.40 : 9,700.90 = 2,569.56 : x
  2. Step 2: Convert to fraction form
    6,462.40/9,700.90 = 2,569.56/x
  3. Step 3: Cross multiply
    6,462.40x = 9,700.90 × 2,569.56
  4. Step 4: Simplify right side
    6,462.40x = 24,927,044.60
  5. Step 5: Solve for x
    x = 24,927,044.60/6,462.40
  6. Step 6: Final answer
    x = 3,857.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.